<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use think\Exception;

/**
 * 会员卡销卡
 *
 * @icon fa fa-circle-o
 */
class UserCardLog extends Backend
{

    /**
     * UserCardLog模型对象
     * @var \app\admin\model\UserCardLog
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\UserCardLog;

    }



    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */


    /**
     * 查看
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                ->with(['user'])
                ->where($where)
                ->order($sort, $order)
                ->paginate($limit);

            foreach ($list as $row) {
                $row->visible(['id', 'card_code', 'user_nums', 'card_time', 'create_time']);
                $row->visible(['user']);
                $row->getRelation('user')->visible(['nickname']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }


    public function addLog()
    {
        $request = $this->request->post();
        //查询编码
        $userCard = Db::name('user_card')->where(['code' => $request['barcode']])->find();
        if (!$userCard) {
            return json(['code' => 0, 'msg' => '会员卡不存在']);
        }
        if ($userCard['status'] == 2) {
            return json(['code' => 0, 'msg' => '会员已过期']);
        }
        if ($userCard['nums'] <= 0) {
            return json(['code' => 0, 'msg' => '当日次数已用完']);
        }
        try {
            //减次数
            Db::startTrans();
            $nums = $userCard['nums'] - 1;
            Db::name('user_card')->where(['code' => $request['barcode']])->update(['nums' => $nums]);
            //添加记录
            Db::name('user_card_log')->insert([
                'user_id' => $userCard['member_id'],
                'card_code' => $userCard['code'],
                'user_nums' => $nums,
                'card_time' => $userCard['vip_card_time'],
                'create_time' => time(),
            ]);

            Db::commit();
            return json(['code' => 1, 'msg' => '成功']);
        } catch (Exception $e) {
            Db::rollback();
            return json(['code' => 0, 'msg' => $e->getMessage()]);
        }


    }

}
